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Inspired by biological processes, neuromorphic computing leverages spiking neural networks (SNNs) to perform inference tasks, offering significant efficiency gains for workloads involving sequential data. Recent advances in hardware and…

Machine Learning · Computer Science 2025-04-30 Dengyu Wu , Jiechen Chen , Bipin Rajendran , H. Vincent Poor , Osvaldo Simeone

In the rapid evolution of next-generation brain-inspired artificial intelligence and increasingly sophisticated electromagnetic environment, the most bionic characteristics and anti-interference performance of spiking neural networks show…

Neural and Evolutionary Computing · Computer Science 2023-09-11 Lyuyang Sima , Joseph Bucukovski , Erwan Carlson , Nicole L. Yien

This paper presents a novel FPGA-based neuromorphic cochlea, leveraging the general-purpose spike-coding algorithm, Spiketrum. The focus of this study is on the development and characterization of this cochlea model, which excels in…

Signal Processing · Electrical Eng. & Systems 2025-06-03 MHD Anas Alsakkal , Jayawan Wijekoon

Encoding static images into spike trains is a fundamental step for enabling Spiking Neural Networks (SNNs) to process visual information. However, widely used methods such as rate coding, Poisson encoding, and time-to-first-spike (TTFS)…

Neural and Evolutionary Computing · Computer Science 2026-04-23 Minchi Hu

Spiking Neural Networks (SNNs) represent the latest generation of neural computation, offering a brain-inspired alternative to conventional Artificial Neural Networks (ANNs). Unlike ANNs, which depend on continuous-valued signals, SNNs…

Neural and Evolutionary Computing · Computer Science 2025-11-03 Sales G. Aribe

The increasing rise in machine learning and deep learning applications is requiring ever more computational resources to successfully meet the growing demands of an always-connected, automated world. Neuromorphic technologies based on…

Neural and Evolutionary Computing · Computer Science 2020-07-14 Philippe Reiter , Geet Rose Jose , Spyridon Bizmpikis , Ionela-Ancuţa Cîrjilă

Speech enhancement is critical for improving speech intelligibility and quality in various audio devices. In recent years, deep learning-based methods have significantly improved speech enhancement performance, but they often come with a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Xiang Hao , Chenxiang Ma , Qu Yang , Jibin Wu , Kay Chen Tan

In a spiking neural network (SNN), individual neurons operate autonomously and only communicate with other neurons sparingly and asynchronously via spike signals. These characteristics render a massively parallel hardware implementation of…

Machine Learning · Computer Science 2017-05-17 Ping Tak Peter Tang , Tsung-Han Lin , Mike Davies

With the expansion of AI-powered virtual assistants, there is a need for low-power keyword spotting systems providing a "wake-up" mechanism for subsequent computationally expensive speech recognition. One promising approach is the use of…

Neural and Evolutionary Computing · Computer Science 2024-10-28 Mattias Nilsson , Ton Juny Pina , Lyes Khacef , Foteini Liwicki , Elisabetta Chicca , Fredrik Sandin

Spiking neural networks (SNNs) are the third generation of neural networks and can explore both rate and temporal coding for energy-efficient event-driven computation. However, the decision accuracy of existing SNN designs is contingent…

Neural and Evolutionary Computing · Computer Science 2020-02-25 Changqing Xu , Wenrui Zhang , Yu Liu , Peng Li

Spiking neural networks (SNNs) offer a promising pathway to implement deep neural networks (DNNs) in a more energy-efficient manner since their neurons are sparsely activated and inferences are event-driven. However, there have been very…

Neural and Evolutionary Computing · Computer Science 2024-06-28 Changze Lv , Jianhan Xu , Xiaoqing Zheng

Spiking Neural Networks (SNNs) are noted for their brain-like computation and energy efficiency, but their performance lags behind Artificial Neural Networks (ANNs) in tasks like image classification and object detection due to the limited…

Neural and Evolutionary Computing · Computer Science 2025-06-09 Binghao Ye , Wenjuan Li , Dong Wang , Man Yao , Bing Li , Weiming Hu , Dong Liang , Kun Shang

Neurons in the nervous system convey information to higher brain regions by the generation of spike trains. An important question in the field of computational neuroscience is how these sensory neurons encode environmental information in a…

Neurons and Cognition · Quantitative Biology 2013-09-13 Alex Susemihl , Ron Meir , Manfred Opper

While Spiking Neural Networks (SNNs) have been gaining in popularity, it seems that the algorithms used to train them are not powerful enough to solve the same tasks as those tackled by classical Artificial Neural Networks (ANNs). In this…

Neural and Evolutionary Computing · Computer Science 2021-10-14 Karen Adam

A primary challenge in utilizing in-vitro biological neural networks for computations is finding good encoding and decoding schemes for inputting and decoding data to and from the networks. Furthermore, identifying the optimal parameter…

Neurons and Cognition · Quantitative Biology 2024-04-18 Trym A. E. Lindell , Ola H. Ramstad , Ionna Sandvig , Axel Sandvig , Stefano Nichele

A computational theory for classification of natural biosonar targets is developed based on the properties of an example stimulus ensemble. An extensive set of echoes (84 800) from four different foliages was transcribed into a spike code…

Biological Physics · Physics 2007-05-23 Rolf Mueller

The advent of neural audio codecs has increased in popularity due to their potential for efficiently modeling audio with transformers. Such advanced codecs represent audio from a highly continuous waveform to low-sampled discrete units. In…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Samir Sadok , Julien Hauret , Éric Bavu

Our knowledge of the sensory world is encoded by neurons in sequences of discrete, identical pulses termed action potentials or spikes. There is persistent controversy about the extent to which the precise timing of these spikes is relevant…

Neurons and Cognition · Quantitative Biology 2007-05-23 Ilya Nemenman , Geoffrey D. Lewen , William Bialek , Rob R. de Ruyter van Steveninck

Neuromorphic computing and, in particular, spiking neural networks (SNNs) have become an attractive alternative to deep neural networks for a broad range of signal processing applications, processing static and/or temporal inputs from…

Hardware Architecture · Computer Science 2023-12-05 Souvik Kundu , Rui-Jie Zhu , Akhilesh Jaiswal , Peter A. Beerel

Deep neural networks (DNNs) have demonstrated remarkable performance across various tasks, including image and speech recognition. However, maximizing the effectiveness of DNNs requires meticulous optimization of numerous hyperparameters…

Cryptography and Security · Computer Science 2024-06-14 Gorka Abad , Oguzhan Ersoy , Stjepan Picek , Aitor Urbieta